#ifndef GNUMERIC_STRING_H #define GNUMERIC_STRING_H typedef struct { int ref_count; char *str; } String; void string_init (void); String *string_lookup (char *s); String *string_get (char *s); String *string_ref (String *); void string_unref (String *); void string_unref_ptr (String **); #endif /* GNUMERIC_STRING_H */